#define _CRT_SECURE_NO_WARNINGS 1 // use for depreate the warning error of scanf
#include <stdio.h>
void main40(void)
{
    char c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11;
    scanf("%c%c", &c4, &c5);
    c6 = getchar();
    printf("c4 is %c\n",c4);
    printf("c5 is %c\n",c5);
    printf("c6 is %d\n",c6);
    c7 = getchar();
    printf("c7 is %c\n",c7);
    
}
